【文档说明】清华版英语三年级上册《unit 3 let's do math lesson 15》PPT课件(共15页).ppt，共(15)页，1.161 MB，由小喜鸽上传

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UNIT3Lesson15LET’SDOMATH123456onetwothreefourfivesixLookandlearn789101112seveneightnineteneleventwelveCountandsayHowmanyerase

rs?4+3=7Fourplusthreeisseven.Howmanypencils?5+6=11Fiveplussixiseleven.Howmanypens?5+3=8Fiveplusthreeiseight.Howmanyrulers?5+5=10Fiveplusfiveisten.

Howmanyerasers?5+7=12Fiveplussevenistwelve.Howmanybooks?3+2=5Threeplustwoisfive.Howmanyerasers?4+2=6Fourplustwoissix.Howmanybooks?3+1=1

Threeplusoneisfour.Howmanypens?5+2=7Fiveplustwoisseven.Howmanypencils?4+7=11Fourplusseveniseleven.Howman

yrulers?3+6=9Threeplussixisnine.Homework:回家用英文从一数到十二，数给爸爸妈妈听，并用英文做几道算术题给爸妈看看。